Prince William and Prince Harry Speak Out on Mom Diana’s Death: ‘We Couldn’t Protect Her’. Diana Frances would be immensely proud of her sons, how they turned out and the prospect of grandchildren. Their sharing of their mother’s life, causes, and cares has kept her memory alive and increased the honor of her name. They are a great example in how to honor those who bring you into the world. Those best able to show you the greatest love another can show. That love which only a mother can bestow.